James 3:12

Can a fig tree, my brothers, produce olives, or a vine, figs? So you cannot make salt water sweet.

Matthew 7:16-20

You shall know them by their fruits. Do men gather grapes from thorns? or figs from thistles?

Matthew 12:33

Either make the tree good and its fruit good, or make the tree bad, and its fruit bad; for a tree is known by its fruit.

Luke 6:43-44

For there is no good tree which bears bad fruit, nor, again, a bad tree which bears good fruit.

Romans 11:16-18

And if the first fruit is holy, the mass is also; and if the root is holy, the branches also are.

Treasury of Scripture Knowledge

Summary

Can the fig tree, my brethren, bear olive berries? either a vine, figs? so can no fountain both yield salt water and fresh.

Bible References

The fig tree

Matthew 7:16
You shall know them by their fruits. Do men gather grapes from thorns? or figs from thistles?
Matthew 12:33
Either make the tree good and its fruit good, or make the tree bad, and its fruit bad; for a tree is known by its fruit.
Luke 6:43
For there is no good tree which bears bad fruit, nor, again, a bad tree which bears good fruit.
Romans 11:16
And if the first fruit is holy, the mass is also; and if the root is holy, the branches also are.